21 mm 2xOne-Piece Small Breastshield w/ Valve and Membrane for Medela Breast Pumps; Replacement to Medela PersonalFit 21 Breastshield and Personal...[Product Information]- Please print out a nipple ruler from the photo and measure your nipple diameters before making the purchase. One size will not fit all. Incl. 2x One-Piece Breastshield ( 21 mm， suitable for mothers with nipple diameters 19-20 mm AFTER pumping) ， 2 Valves， 4 Membranes; Compatible with all Medela pumps (Pump in style， Lactina， Symphony， Swing， Mini Electric) except FreeStyle， Swing Maxi， Sonata and Harmony.
- US FDA registered medical device (No. D192499); Products are inspected by US FDA. Complies with US FDA and EUstandards for containers that contact food and class II medical device; Test reports are online for your reference;
- Retail poly-bag packed; sealed by the manufacturer - Maymom， not original Medela parts
- Made of Bisphenol-A (BPA)/DEHP-free material and all components are steam safe for sterilization.
- Available in various sizes (13， 15， 17， 19， 21， 24， 25， 26， 27， 29， 30， 36 mm) for purchase.
